/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/ConvexHalfEdgeStructureData.h
Iterate over the half-edges associated with a vertex (leading out from the vertex, so all half edges have the vertex as the root). Visitor should return false to halt iteration. FVisitorType should be a function with signature: bool(int32 HalfEdgeIndex) that returns false to stop the visit loop.
template<typename FVisitorType> void VisitVertexHalfEdges ( int32 VertexIndex, const FVisitorType & Visitor ) const